static Per_CPU_Control *_Thread_Wait_for_join(
Thread_Control *executing,
Per_CPU_Control *cpu_self
)
{
#if defined(RTEMS_POSIX_API)
ISR_lock_Context lock_context;
_Thread_State_acquire( executing, &lock_context );
if (
_Thread_Is_joinable( executing )
&& _Thread_queue_Is_empty( &executing->Join_queue.Queue )
) {
_Thread_Set_state_locked( executing, STATES_WAITING_FOR_JOIN_AT_EXIT );
_Thread_State_release( executing, &lock_context );
_Thread_Dispatch_enable( cpu_self );
/* Let other threads run */
cpu_self = _Thread_Dispatch_disable();
} else {
_Thread_State_release( executing, &lock_context );
}
#endif
return cpu_self;
}
int pthread_rwlock_destroy(
pthread_rwlock_t *rwlock
)
{
POSIX_RWLock_Control *the_rwlock;
ISR_lock_Context lock_context;
_Objects_Allocator_lock();
the_rwlock = _POSIX_RWLock_Get( rwlock, &lock_context );
if ( the_rwlock == NULL ) {
_Objects_Allocator_unlock();
return EINVAL;
}
_CORE_RWLock_Acquire_critical( &the_rwlock->RWLock, &lock_context );
/*
* If there is at least one thread waiting, then do not delete it.
*/
if ( !_Thread_queue_Is_empty( &the_rwlock->RWLock.Wait_queue.Queue ) ) {
_CORE_RWLock_Release( &the_rwlock->RWLock, &lock_context );
_Objects_Allocator_unlock();
return EBUSY;
}
/*
* POSIX doesn't require behavior when it is locked.
*/
_Objects_Close( &_POSIX_RWLock_Information, &the_rwlock->Object );
_CORE_RWLock_Release( &the_rwlock->RWLock, &lock_context );
_POSIX_RWLock_Free( the_rwlock );
_Objects_Allocator_unlock();
return 0;
}
